This pattern emerges in a downtrend and signals a potential trend reversal. It comprises a black candlestick followed by a Doji that gaps downward at the opening. When the Doji resembles an Umbrella, it is termed a "Bullish Dragonfly Doji". Conversely, if it takes the form of an Inverted Umbrella, it is called a "Bullish Gravestone Doji". Collectively, these patterns are referred to as a "Bullish Doji Star", irrespective of the Doji’s shape.
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